D 13.28 For the folded-cascode op-amp circuit of Figs. 13.9 and 13.10 with bias currents I = 400 µA and IB = 250 µA, and with all transistors operated at overdrive voltages of 0.2 V, find the W/L ratios for all devices. Assume the 0.13-µm CMOS technology of Appendix K having and .
D 13.28 For the folded-cascode op-amp circuit of Figs. 13.9 and 13.10 with bias currents I = 400 µA and IB = 250 µA, and with all transistors operated at overdrive voltages of 0.2 V, find the W/L ratios for all devices. Assume the 0.13-µm CMOS technology of Appendix K having and .
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